LEXINGTON, Ohio — Jeff Altenburg, of Ellicott City, Md. was fastest in the TC practice session at Mid-Ohio Sports Car Course, at the OPTIMA Batteries Grand Prix presented by MOMO. Jason Wolfe, of Mount Vernon, Ohio was fastest in TCA, while Tom O’Gorman, of Mason, Ohio was fastest in TCB.

Early on in the 15-minute session held under clear, sunny skies with 78 degree temperatures, Altenburg, in the No. 15 HPA Motorsports VW Jetta GLI went immediately to the top of the TC charts with a 1:34.111, followed by Corey Fergus, of Columbus, Ohio, in the No. 00 USLED/Axis Roofing/AERO/RSS/Motul Motorsports Promotions Porsche Cayman with a 1:34.736. Altenburg’s time would hold for the balance of the session.

Jon Miller, in the No. 11 American Honda/Carsquare.com/Team Novo Nordisk Garrett Racing Honda Civic Si posted a 1:40.428 to top the charts in TCA. Then Wolfe topped the charts near the end of the session with a 1:40.217.

O’Gorman, in the No. 94 Black Armor Helmets/Full Throttle Indoor Karting/SCCA Track Night In America/Kutney Motorsports/HPD Honda Fit posted the fastest lap early on in TCB with a 1:51.479. Shortly after Andrei Kisel, of North Vancouver, BC in the No. 57 Racing.ca/LaptopScreen.com MINI Cooper bested O’Gorman with a 1:50.461. O’Gorman then went back to the top in class with a 1:50.392.

Qualifying for Round 10 is scheduled for 2:50 p.m. Eastern. Follow live timing and scoring at http://worldchallenge.growsites.net/